fix: replace deprecated data.aws_region.current.name with data.aws_region.current.region

The name attribute of the aws_region data source has been deprecated
in favor of the region attribute. This change updates the reference
in the IRSA module to use the current recommended attribute.

Signed-off-by: atilsensalduz <[email protected]>

Author: atilsensalduz

examples/iam-role-for-service-accounts-eks/versions.tf

@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 1.3"
+  required_version = ">= 1.5"
 
   required_providers {
     aws = {